Air pollution: the "classical" pollutants.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000397:Air Pollution / Q000032:analysis / Q000517:prevention & control; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009026:Mortality; D012129:Respiratory Function Tests; D012906:Smoke / Q000032:analysis; D013458:Sulfur Dioxide / Q000009:adverse effects* / Q000032:analysis; D006113:United Kingdom; D014887:Weather
D012906:Smoke; D013458:Sulfur Dioxide